AIKIDO-2026-11161
spring-webflux is vulnerable to Escalation via Session Fixation in WebFlux
42
Medium Risk
This Affects:
spring-webfluxTL;DR
A WebFlux application with a compromised subdomain (for example, compromised via cross-site scripting (XSS)) is vulnerable to an escalation attack exchanging a known session ID for that of an authenticated user.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
spring-webflux is vulnerable to Escalation via Session Fixation in WebFlux in versions 5.3.0 - 5.3.48, 6.1.0 - 6.1.27, 6.2.0 - 6.2.18 and 7.0.0 - 7.0.7.
How to fix this
Upgrade the org.springframework:spring-webflux library to the patch version.
Are You Affected?
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SOC 2Compliant
ISO 27001Compliant